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Last Updated: September 24, 2023

RIOMET Drug Patent Profile


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Which patents cover Riomet, and what generic alternatives are available?

Riomet is a drug marketed by Ranbaxy and Sun Pharm and is included in two NDAs. There is one patent protecting this drug and one Paragraph IV challenge.

The generic ingredient in RIOMET is metformin hydrochloride. There are forty-nine drug master file entries for this compound. Eighty-eight suppliers are listed for this compound. Additional details are available on the metformin hydrochloride profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Riomet

A generic version of RIOMET was approved as metformin hydrochloride by ATLAS PHARMS LLC on January 24th, 2002.

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Drug patent expirations by year for RIOMET
Drug Prices for RIOMET

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Drug Sales Revenue Trends for RIOMET

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Recent Clinical Trials for RIOMET

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
National Institutes of Health (NIH)Early Phase 1
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)Early Phase 1
Washington State UniversityEarly Phase 1

See all RIOMET clinical trials

Pharmacology for RIOMET
Drug ClassBiguanide
Paragraph IV (Patent) Challenges for RIOMET
Tradename Dosage Ingredient Strength NDA ANDAs Submitted Submissiondate
RIOMET Oral Solution metformin hydrochloride 500 mg/5 mL 021591 1 2018-02-02

US Patents and Regulatory Information for RIOMET

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Ranbaxy RIOMET metformin hydrochloride SOLUTION;ORAL 021591-001 Sep 11, 2003 DISCN Yes No ⤷  Try a Trial ⤷  Try a Trial ⤷  Try a Trial
Sun Pharm RIOMET ER metformin hydrochloride FOR SUSPENSION, EXTENDED RELEASE;ORAL 212595-001 Aug 29, 2019 DISCN Yes No ⤷  Try a Trial ⤷  Try a Trial Y ⤷  Try a Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Supplementary Protection Certificates for RIOMET

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
1261586 132012902044560 Italy ⤷  Try a Trial PRODUCT NAME: SAXAGLIPTIN E METFORMINA(KOMBOGLYZE); AUTHORISATION NUMBER(S) AND DATE(S): DA EU/1/11/731/001 A EU/1/11/731/014, 20111124
1532149 PA2012022 Lithuania ⤷  Try a Trial PRODUCT NAME: LINAGLIPTINUM + METFORMINI HYDROCHLORIDUM; REGISTRATION NO/DATE: EU/1/12/780/001 - EU/1/12/780/034 20120720
1506211 C01506211/02 Switzerland ⤷  Try a Trial PRODUCT NAME: DAPAGLIFLOZIN + METFORMIN; REGISTRATION NO/DATE: SWISSMEDIC 65377 16.07.2015
2498758 CA 2020 00017 Denmark ⤷  Try a Trial PRODUCT NAME: METFORMIN ELLER ET FARMACEUTISK ACCEPTABELT SALT DERAF; SAXAGLIPTIN ELLER ET FARMACEUTISK ACCEPTABELT SALT DERAF; DAPAGLIFLOZIN ELLER ET FARMACEUTISK ACCEPTABELT SOLVAT DERAF; REG. NO/DATE: EU/1/19/1401 20191113
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

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Serving leading biopharmaceutical companies globally:

Mallinckrodt
Express Scripts
McKinsey
Baxter
Moodys
Merck

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